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6772238 S2 Volvo NH12 D12A Compressor Cylinder Head

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6772238 S2 Compressor Cylinder Head for Volvo NH12

13 21 50

Summary

This cylinder head is designed for Volvo NH12 trucks equipped with D12A engines. It functions as a critical component within the air brake compressor assembly, ensuring proper chamber sealing and pressure maintenance for heavy-duty braking performance. Equivalent to OE Volvo 6772238S2.

Product identifiers
EAN Code8699031032849
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Compatible OEM Codes

  • VOLVO
    • 8112248 S2
    • 6795599 S2
    • 6772238 S2
  • KNORR-BREMSE
    • LK3509 S2

Description

What does a compressor cylinder head do?

This compressor cylinder head serves as the critical sealing component within the air brake compressor assembly, managing the high-pressure air cycles required for reliable braking. Built with heavy-duty grade materials, it maintains structural integrity under the intense thermal and mechanical stresses typical of heavy commercial vehicle operation.

Compatible vehicles and engines

This specific part is engineered to fit Volvo NH12 trucks utilizing D12A engines. It is an essential component for maintaining optimal pneumatic performance in the air brake system of these heavy-duty vehicles. Consult your authorized distributor to check the compatibility list.

Installation and maintenance

During installation, technicians should ensure the cylinder head surface is perfectly clean and free of debris to prevent air leaks. It is recommended to inspect the valve plate and gaskets simultaneously to ensure a complete and airtight seal within the compressor assembly.

Troubleshooting and selection

Regular inspection of the cylinder head can help prevent sudden loss of air pressure in the braking system. When replacing, always verify that the cooling type and port configurations match the existing compressor unit on the engine.

OE cross-reference

13 21 50 (Compressor Cylinder Head) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 6772238S2.

Other OEMs

KNORR-BREMSE

  • LK3509 S2

VOLVO

  • 8112248 S2
  • 6795599 S2
  • 6772238 S2

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FH12 D12A
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO NH12 D12A
VOLVO NL10 D10A
VOLVO NL12 D12A

FAQ

What is the function of this cylinder head?
It acts as the top seal of the air compressor, forming the combustion-like chamber where air is compressed for the braking system.
Which vehicle is this part compatible with?
This component is specifically designed for Volvo NH12 models equipped with D12A engines.
What should be checked during installation?
Technicians should verify that all mating surfaces are clean and that the valve plate and gaskets are in optimal condition to prevent leaks.
How can I know if my cylinder head needs replacement?
Signs include persistent air leaks from the compressor, a drop in system pressure, or unusual noise during the compression cycle.
What are the OE reference numbers of this part?
13 21 50 directly replaces Volvo OE number 6772238S2.